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Macintosh IIci - no life even after recap

Forums > Vintage Apple > Macintosh > Macintosh II

Kai Robinson
TinkerDifferent Board President 2023
Worthing, UK
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Joined: Sep 2, 2021
Posts: 1,322
Likes: 1,313
Aug 2, 2025 - #21
At this point I'd order replacement chips and transistors, they're pennies each.

Glitch
New Tinkerer
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Joined: Apr 29, 2025
Posts: 10
Likes: 1
Aug 2, 2025 - #22
>> Kai Robinson said:
At this point I'd order replacement chips and transistors, they're pennies each. Click to expand...
That's fair. Is there a guide or list online somewhere for what modern replacements to use??

Hugotronics
New Tinkerer
France
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Joined: Apr 11, 2025
Posts: 11
Likes: 5
Aug 2, 2025 - #23
I would personally buy a hot air station -- they're pretty cheap nowadays, around $40 on Amazon. Then desolder the entire chip, clean underneath, and check for any open traces. Bodge wires are fortunately your only option to repair a broken trace, but you can route them on the underside of the board, if possible of course.

Hugotronics
New Tinkerer
France
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Joined: Apr 11, 2025
Posts: 11
Likes: 5
Aug 2, 2025 - #24
You're pretty close to getting the machine working -- I've already dealt with worse cap damage here.
Attachments:
022BF0B0-BC78-4588-9C38-0BC6BACBDE69.jpeg (1.1 MB)
IMG_5785.jpeg (1.5 MB)
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IMG_5787.jpeg (1.7 MB)

mchineboy
New Tinkerer
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Joined: Nov 3, 2025
Posts: 1
Likes: 0
Nov 3, 2025 - #25
I'm working on a IIci as well. I had it working last night, then I tried to put the cache card back in and dead. Gone. No more power on.

I think I'm looking for a "troubleshooting guide" that walks you through a series of "check this, then check that". Does such a guide exist?

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